package net.minecraft.world.gen.feature;

import java.util.Random;
import net.minecraft.block.Block;
import net.minecraft.block.BlockLeaves;
import net.minecraft.block.BlockOldLeaf;
import net.minecraft.block.BlockOldLog;
import net.minecraft.block.BlockPlanks;
import net.minecraft.block.material.Material;
import net.minecraft.block.state.IBlockState;
import net.minecraft.init.Blocks;
import net.minecraft.util.BlockPos;
import net.minecraft.world.World;

public class WorldGenTaiga2 extends WorldGenAbstractTree {
	private static final IBlockState field_181645_a = Blocks.log.getDefaultState().withProperty(BlockOldLog.VARIANT,
			BlockPlanks.EnumType.SPRUCE);
	private static final IBlockState field_181646_b = Blocks.leaves.getDefaultState()
			.withProperty(BlockOldLeaf.VARIANT, BlockPlanks.EnumType.SPRUCE)
			.withProperty(BlockLeaves.CHECK_DECAY, Boolean.valueOf(false));

	public WorldGenTaiga2(boolean p_i2025_1_) {
		super(p_i2025_1_);
	}

	public boolean generate(World worldIn, Random rand, BlockPos position) {
		int i = rand.nextInt(4) + 6;
		int j = 1 + rand.nextInt(2);
		int k = i - j;
		int l = 2 + rand.nextInt(2);
		boolean flag = true;

		if (position.getY() >= 1 && position.getY() + i + 1 <= 256) {
			for (int i1 = position.getY(); i1 <= position.getY() + 1 + i && flag; ++i1) {
				int j1 = 1;

				if (i1 - position.getY() < j) {
					j1 = 0;
				} else {
					j1 = l;
				}

				BlockPos.MutableBlockPos blockpos$mutableblockpos = new BlockPos.MutableBlockPos();

				for (int k1 = position.getX() - j1; k1 <= position.getX() + j1 && flag; ++k1) {
					for (int l1 = position.getZ() - j1; l1 <= position.getZ() + j1 && flag; ++l1) {
						if (i1 >= 0 && i1 < 256) {
							Block block = worldIn.getBlockState(blockpos$mutableblockpos.func_181079_c(k1, i1, l1))
									.getBlock();

							if (block.getMaterial() != Material.air && block.getMaterial() != Material.leaves) {
								flag = false;
							}
						} else {
							flag = false;
						}
					}
				}
			}

			if (!flag) {
				return false;
			} else {
				Block block1 = worldIn.getBlockState(position.down()).getBlock();

				if ((block1 == Blocks.grass || block1 == Blocks.dirt || block1 == Blocks.farmland)
						&& position.getY() < 256 - i - 1) {
					this.func_175921_a(worldIn, position.down());
					int i3 = rand.nextInt(2);
					int j3 = 1;
					int k3 = 0;

					for (int l3 = 0; l3 <= k; ++l3) {
						int j4 = position.getY() + i - l3;

						for (int i2 = position.getX() - i3; i2 <= position.getX() + i3; ++i2) {
							int j2 = i2 - position.getX();

							for (int k2 = position.getZ() - i3; k2 <= position.getZ() + i3; ++k2) {
								int l2 = k2 - position.getZ();

								if (Math.abs(j2) != i3 || Math.abs(l2) != i3 || i3 <= 0) {
									BlockPos blockpos = new BlockPos(i2, j4, k2);

									if (!worldIn.getBlockState(blockpos).getBlock().isFullBlock()) {
										this.setBlockAndNotifyAdequately(worldIn, blockpos, field_181646_b);
									}
								}
							}
						}

						if (i3 >= j3) {
							i3 = k3;
							k3 = 1;
							++j3;

							if (j3 > l) {
								j3 = l;
							}
						} else {
							++i3;
						}
					}

					int i4 = rand.nextInt(3);

					for (int k4 = 0; k4 < i - i4; ++k4) {
						Block block2 = worldIn.getBlockState(position.up(k4)).getBlock();

						if (block2.getMaterial() == Material.air || block2.getMaterial() == Material.leaves) {
							this.setBlockAndNotifyAdequately(worldIn, position.up(k4), field_181645_a);
						}
					}

					return true;
				} else {
					return false;
				}
			}
		} else {
			return false;
		}
	}
}
